Seiko Cal. 4423 - 925

The Seiko 4423-925 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-68f917f0d81b]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

Related Models

• Seiko 7029-720
• Seiko 5283-529
• Seiko 6140-839
• Seiko 7137-766
• Seiko 5617-235
• Seiko 7195-337
• Seiko 6641-647
• Seiko 6121-952
• Seiko 6256-433
• Seiko 7162-261
• Seiko 6355-281
• Seiko 5684-122